/Engine/Plugins/Runtime/MassGameplay/Source/MassActors/Public/MassActorSpawnerSubsystem.h
Retrieve what would be the next best spawning request to spawn, can be overridden to have different logic Default implementation is the first valid request in the list, no interesting logic yet
the next best handle to spawn.
virtual [FMassActorSpawnRequestHandle](API\Plugins\MassActors\FMassActorSpawnRequestHandle) GetNextRequestToSpawn() const